| article html file updated | 7 February 2020 14:45 CET | Update | https://www.mdpi.com/2073-4352/6/9/113 |
| article html file updated | 5 May 2019 04:31 CEST | Update | N/A |
| article html file updated | 28 September 2016 11:36 CEST | Update | N/A |
| article html file updated | 9 September 2016 13:57 CEST | Original file | N/A |
| article xml uploaded. | 9 September 2016 13:56 CEST | Update | https://www.mdpi.com/2073-4352/6/9/113/xml |
| article xml uploaded. | 9 September 2016 13:56 CEST | Original file | N/A |
| article pdf uploaded. | 9 September 2016 13:56 CEST | Version of Record | https://www.mdpi.com/2073-4352/6/9/113/pdf |
